2004-06-01 Jeroen Zwartepoorte <jeroen@xs4all.nl>

* sample/CustomWidget.cs: Add custom widget sample.
	* sample/Makefile.am: Idem.

svn path=/trunk/gtk-sharp/; revision=28649
This commit is contained in:
Jeroen Zwartepoorte 2004-06-01 18:31:20 +00:00
parent 070eb3cc64
commit 03df165143
3 changed files with 193 additions and 2 deletions

View file

@ -1,3 +1,8 @@
2004-06-01 Jeroen Zwartepoorte <jeroen@xs4all.nl>
* sample/CustomWidget.cs: Add custom widget sample.
* sample/Makefile.am: Idem.
2004-06-01 Mike Kestner <mkestner@ximian.com>
* generator/ObjectGen.cs : generate protected ctor () for all

182
sample/CustomWidget.cs Normal file
View file

@ -0,0 +1,182 @@
using GLib;
using Gtk;
using System;
class CustomWidgetTest {
public static int Main (string[] args)
{
Application.Init ();
Window win = new Window ("Custom Widget Test");
win.DeleteEvent += new DeleteEventHandler (OnQuit);
VPaned paned = new VPaned ();
CustomWidget cw = new CustomWidget ();
cw.Label = "This one contains a button";
Button button = new Button ("Ordinary button");
cw.Add (button);
paned.Pack1 (cw, true, false);
cw = new CustomWidget ();
cw.Label = "And this one a TextView";
cw.StockId = Stock.JustifyLeft;
ScrolledWindow sw = new ScrolledWindow (null, null);
sw.ShadowType = ShadowType.In;
sw.HscrollbarPolicy = PolicyType.Automatic;
sw.VscrollbarPolicy = PolicyType.Automatic;
TextView textView = new TextView ();
sw.Add (textView);
cw.Add (sw);
paned.Pack2 (cw, true, false);
win.Add (paned);
win.ShowAll ();
Application.Run ();
return 0;
}
static void OnQuit (object sender, DeleteEventArgs args)
{
Application.Quit ();
}
}
class CustomWidget : Bin {
internal static GType customWidgetGType;
private Gdk.Pixbuf icon;
private string label;
private Pango.Layout layout;
private string stockid;
public CustomWidget () : base ()
{
icon = null;
label = "CustomWidget";
layout = null;
stockid = Stock.Execute;
Flags |= (int)WidgetFlags.NoWindow;
}
private Gdk.Pixbuf Icon {
get {
if (icon == null)
icon = RenderIcon (stockid, IconSize.Menu, "");
return icon;
}
}
public string Label {
get {
return label;
}
set {
label = value;
Layout.SetText (label);
}
}
private Pango.Layout Layout {
get {
if (layout == null)
layout = CreatePangoLayout (label);
return layout;
}
}
public string StockId {
get {
return stockid;
}
set {
stockid = value;
icon = RenderIcon (stockid, IconSize.Menu, "");
}
}
private Gdk.Rectangle TitleArea {
get {
Gdk.Rectangle area;
area.X = Allocation.X + (int)BorderWidth;
area.Y = Allocation.Y + (int)BorderWidth;
area.Width = (Allocation.Width - 2 * (int)BorderWidth);
int layoutWidth, layoutHeight;
Layout.GetPixelSize (out layoutWidth, out layoutHeight);
area.Height = Math.Max (layoutHeight, icon.Height);
return area;
}
}
protected override bool OnExposeEvent (Gdk.EventExpose args)
{
Gdk.Rectangle exposeArea;
Gdk.Rectangle titleArea = TitleArea;
if (args.Area.Intersect (titleArea, out exposeArea))
GdkWindow.DrawPixbuf (Style.BackgroundGC (State), Icon, 0, 0,
titleArea.X, titleArea.Y, Icon.Width,
Icon.Height, Gdk.RgbDither.None, 0, 0);
titleArea.X += icon.Width + 1;
titleArea.Width -= icon.Width - 1;
if (args.Area.Intersect (titleArea, out exposeArea)) {
int layoutWidth, layoutHeight;
Layout.GetPixelSize (out layoutWidth, out layoutHeight);
titleArea.Y += (titleArea.Height - layoutHeight) / 2;
Style.PaintLayout (Style, GdkWindow, State,
true, exposeArea, this, null,
titleArea.X, titleArea.Y, Layout);
}
return base.OnExposeEvent (args);
}
protected override void OnRealized ()
{
Flags |= (int)WidgetFlags.Realized;
GdkWindow = ParentWindow;
Style = Style.Attach (GdkWindow);
}
protected override void OnSizeAllocated (Gdk.Rectangle allocation)
{
base.OnSizeAllocated (allocation);
int bw = (int)BorderWidth;
Gdk.Rectangle titleArea = TitleArea;
if (Child != null) {
Gdk.Rectangle childAllocation;
childAllocation.X = allocation.X + bw;
childAllocation.Y = allocation.Y + bw + titleArea.Height;
childAllocation.Width = allocation.Width - 2 * bw;
childAllocation.Height = allocation.Height - 2 * bw - titleArea.Height;
Child.SizeAllocate (childAllocation);
}
}
protected override void OnSizeRequested (ref Requisition requisition)
{
requisition.Width = requisition.Height = (int)BorderWidth * 2;
requisition.Width += Icon.Width + 1;
int layoutWidth, layoutHeight;
Layout.GetPixelSize (out layoutWidth, out layoutHeight);
requisition.Height += layoutHeight;
if (Child != null && Child.Visible) {
Requisition childReq = Child.SizeRequest ();
requisition.Height += childReq.Height;
requisition.Width += Math.Max (layoutWidth, childReq.Width);
} else {
requisition.Width += layoutWidth;
}
}
}

View file

@ -24,7 +24,7 @@ VTE_TARGETS=
VTE_ASSEMBLY=
endif
TARGETS = custom-cellrenderer.exe gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe size.exe scribble.exe treeviewdemo.exe managedtreeviewdemo.exe testdnd.exe drawing-sample.exe $(GNOME_TARGETS) $(GLADE_TARGETS) $(VTE_TARGETS)
TARGETS = custom-cellrenderer.exe gtk-hello-world.exe button.exe calendar.exe subclass.exe menu.exe size.exe scribble.exe treeviewdemo.exe managedtreeviewdemo.exe testdnd.exe drawing-sample.exe custom-widget.exe $(GNOME_TARGETS) $(GLADE_TARGETS) $(VTE_TARGETS)
assemblies=../glib/glib-sharp.dll ../pango/pango-sharp.dll ../atk/atk-sharp.dll ../gdk/gdk-sharp.dll ../gtk/gtk-sharp.dll $(GNOME_ASSEMBLY) $(GLADE_ASSEMBLY) $(VTE_ASSEMBLY)
references=$(addprefix -r , $(assemblies))
@ -92,6 +92,9 @@ custom-cellrenderer.exe: $(srcdir)/CustomCellRenderer.cs $(assemblies)
drawing-sample.exe: $(srcdir)/DrawingSample.cs $(srcdir)/sysdraw.cs $(assemblies)
$(CSC) -debug+ -out:drawing-sample.exe $(references) $(srcdir)/DrawingSample.cs $(srcdir)/sysdraw.cs -r:System.Drawing
custom-widget.exe: $(srcdir)/CustomWidget.cs $(assemblies)
$(CSC) -debug+ -out:custom-widget.exe $(references) $(srcdir)/CustomWidget.cs
EXTRA_DIST = \
HelloWorld.cs \
GnomeHelloWorld.cs \
@ -115,4 +118,5 @@ EXTRA_DIST = \
CustomCellRenderer.cs \
DrawingSample.cs \
sysdraw.cs \
drawing-sample.exe.config
drawing-sample.exe.config \
CustomWidget.cs